/* Nokia 3310 meets MS-DOS — legibility first, always */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #f2f0eb;
  --fg: #1a1a1a;
  --fg-dim: #6b6660;
  --fg-bright: #000000;
  --error: #c44;
}

html {
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 1rem;
}

::selection {
  background: var(--fg);
  color: var(--bg);
}

.screen {
  max-width: 640px;
  width: 100%;
  min-height: 80vh;
  padding: 1.25rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Navigation */
.nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem 1rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--fg-dim);
}

.nav-item {
  cursor: pointer;
  color: var(--fg-dim);
  text-transform: lowercase;
  user-select: none;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.25rem 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  line-height: inherit;
}

.nav-item:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 2px;
}

.nav-item:active {
  color: var(--fg-bright);
}

.nav-item.active {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Content */
.content {
  flex: 1;
}

.page {
  display: none;
  text-align: justify;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.page.active {
  display: block;
}

/* Home Page */
.home-text p {
  margin-bottom: 0.75rem;
}

.home-name {
  margin-top: 2.5rem;
}

/* Text Blocks */
.text-block {
  margin-bottom: 1.25rem;
}

.text-block p {
  margin-bottom: 0.75rem;
}

.closing-text {
  margin-top: 2rem;
}

.label {
  color: var(--fg-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  margin-bottom: 0.5rem;
  text-align: left;
}

h2.label {
  font-weight: normal;
}

.section-heading {
  color: var(--fg-dim);
  font-size: 0.75rem;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  margin-bottom: 0.75rem;
  text-align: left;
}

/* Identity block (About page) */
.identity {
  margin-bottom: 1.5rem;
}

.identity-name {
  color: var(--fg);
  font-size: 1rem;
  margin-bottom: 0.25rem;
  text-align: left;
}

.identity-role {
  color: var(--fg-dim);
  font-size: 0.875rem;
  text-align: left;
}

.dim {
  color: var(--fg-dim);
  font-size: 0.8rem;
}

/* Dividers */
.divider {
  color: var(--fg-dim);
  margin: 1.5rem 0;
  overflow: hidden;
  white-space: nowrap;
}

/* Expandable Sections */
.expandable {
  margin-bottom: 0.25rem;
}

.expandable-header {
  cursor: pointer;
  padding: 0.5rem 0;
  min-height: 44px;
  color: var(--fg);
  user-select: none;
  line-height: 1.5;
  text-align: left;
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  width: 100%;
  display: block;
}

.expandable-header:active {
  color: var(--fg-bright);
}

.expandable-header:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 2px;
}

.expandable-header .dim {
  display: block;
  margin-top: 0.15rem;
}

.expand-indicator {
  color: var(--fg-dim);
  font-size: 0.8rem;
  display: inline;
}

.expandable-body {
  display: none;
  padding: 0.75rem 0 0.75rem 1.25rem;
  border-left: 1px solid var(--fg-dim);
  margin-left: 0.5rem;
  margin-bottom: 0.5rem;
}

.expandable-body.open {
  display: block;
}

.expandable-body p {
  margin-bottom: 0.75rem;
}

.expandable-body p:last-child {
  margin-bottom: 0;
}

/* Nested expandables inside expandable body */
.expandable-body .expandable {
  margin-bottom: 0.25rem;
}

.expandable-body .expandable-header {
  padding: 0.2rem 0;
  min-height: auto;
}

.expandable-body .expandable-body {
  padding: 0.5rem 0 0.5rem 0.75rem;
  margin-left: 0.25rem;
}

/* Episode List */
.episode-list {
  margin: 0.75rem 0;
}

.episode-list p {
  margin-bottom: 1rem;
}

.episode-list strong {
  color: var(--fg-bright);
  font-weight: normal;
}

/* Contact Form */
.contact-form {
  margin-top: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  color: var(--fg-dim);
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  text-align: left;
}

.required {
  color: var(--fg);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--fg-dim);
  color: var(--fg);
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  padding: 0.5rem;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  border-color: var(--fg);
  outline: 1px solid var(--fg);
  outline-offset: -1px;
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--error);
}

.form-group .field-error {
  color: var(--error);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group .field-error.visible {
  display: block;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  background: none;
  border: 1px solid var(--fg-dim);
  color: var(--fg);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.875rem;
  padding: 0.75rem 1.5rem;
  min-height: 44px;
  cursor: pointer;
}

.form-submit:active {
  color: var(--fg-bright);
  border-color: var(--fg);
}

.form-submit:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 2px;
}

.form-status {
  margin-top: 0.75rem;
  color: var(--fg-dim);
  font-size: 0.8rem;
}

/* Footnote */
.footnote {
  color: var(--fg-dim);
  font-size: 0.75rem;
}

/* Links */
a {
  color: var(--fg-bright);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 2px;
}

/* Footer */
.footer {
  margin-top: 2rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--fg-dim);
  text-align: center;
  color: var(--fg-dim);
  font-size: 0.75rem;
}

.footer-note {
  display: none;
  font-size: 11px;
  line-height: 1.5;
  margin-top: 1rem;
  text-align: center;
  text-align-last: center;
}

.footer-note.visible {
  display: block;
}

.blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .blink {
    animation: none;
  }
}

/* Small mobile (320px-480px) */
@media (max-width: 480px) {
  body {
    padding: 0;
  }

  .screen {
    padding: 1rem;
    min-height: 100vh;
  }

  .nav {
    flex-direction: column;
    gap: 0;
  }


  .expandable-body {
    padding-left: 0.75rem;
    margin-left: 0.25rem;
  }

  .expandable-body .expandable-body {
    padding-left: 0.6rem;
    margin-left: 0.2rem;
  }

  .divider {
    font-size: 0.6rem;
  }

  .episode-list p {
    margin-bottom: 1.25rem;
  }
}